Freestone · Bedrock · Minnesota, US

Lester River

Lester River terrain map
Today · Slow going — pick your moments
Stonefly Nymph
Forecast · Today
Slow going — pick your moments
Slow going — pick your moments and do not force it.
45% projected
Today's fly
Stonefly Nymph
Stonefly Nymph
Conditions on the water · Today
Proxy gauge
Level
Rising
Proxy
via Knife River
Water temp15.9°C
ClarityVery coloured
Weather21°C
WindN 11 km/h
Pressure1020 hPa
Rain · recent0.0 mm
Rain · ahead46.1 mm

No gauge on this water — conditions are inferred from Knife River. The trend transfers, the absolute level does not.

Water temperature for Steelhead
Warm — slow
16°C est.ideal 4–13°C
0°14°28°
How to fish it · for Steelhead
When
Spring steelhead, usually Apr–May on snowmelt and rain pulses
Where
The Lester is a Duluth-area North Shore steelhead stream.
Why this works
Good — water clarity is right today, though water temperature could be better.
Likely species
Mayflies
Caddisflies
terrestrials
Hatch timeline · todayPeak at 7am

12pm(now) — Reed Smut

Stage: On emergersApproach: Emerger or dryActivity: 48%
Also:Flying Ants40%Trico (Eastern)29%
Peak emergence windowWeather boost5 food groups active

Peak activity at 7am — Trico (Eastern) (Trico (Eastern), Weather boost)

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds with Pro.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 2 with Pro.

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Evidence
Records-basedModerate confidence

Based on species-occurrence records, not local invertebrate surveys.

Through the year
0–3 scale · September highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Brown DunHatch
2
3
3
3
3
3
3
2
Quill GordonHatch
2
2
Blue QuillHatch
2
3
2
HendricksonHatch
2
2

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Ranked for today
Steelhead fly box
Permits & access
Permit required — see local rules.
  • Minnesota licence/trout stamp and North Shore steelhead rules require verification
  • Wild/naturalised steelhead handling should be conservative.
What's coming
Plan ahead
5-day outlook
Other water nearby · 3
Sucker River
13 km
Steelhead
Knife River
20 km
Steelhead
Bois Brule River
41 km
30
Steelhead · Brown trout · Chinook salmon
Water quality · US Clean Water Act
  • Aquatic life: Impaired
  • Fish consumption: Impaired
What this classification means

Fish consumption: Consumption advisory (Mercury) — fish for sport, not the table.

EPA ATTAINS assessment unit 'Lester River' (MN04010102-549), 2024 Integrated Report. Aquatic Life use: Not Supporting. Listed impairment causes: Mercury, Turbidity. This is a Clean Water Act assessment-unit classification (the US analogue of WFD), not a live reading.

Status is for the Clean Water Act assessment unit covering this reach.

EPA ATTAINS (Clean Water Act) · MN04010102-549

Why this score · for Steelhead
  • Temperature5128% weight
  • Flow8022% weight
  • Clarity9518% weight
  • Feeding Time8013% weight
  • Pressure757% weight
  • Insect activity5812% weight
Related guides
Euro Nymphingsubsurface methods
Booking & contacts